| Level | Item |
| Ref No | L/E/6/63 |
| Alt Ref No | E(L)/6/63 |
| Title | Choreology (Effort) \ Miscellaneous notes and drawings on effort |
| Date | n.d. |
| Extent | 27 sheets |
| Description | Handwritten notes and drawings on effort by Rudolf Laban. |
| Language | English |
| Physical Description | Original reference number was 20/III/11. |
| Format | Papers |